SurveyJS - Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App
With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
surveyjs.io
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
no suggestions on how to deal with the file size, but I image the issue with method #1 is that Overpass/OSM JSON is not GeoJSON. You'd want to find or create a python implementation of osmtogeojson https://github.com/tyrasd/osmtogeojson (this is what overpass-turbo uses to generate the GeoJSON you're downloading form it)
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